AD9639

Data Sheet

Rev. B | Page 2 of 36

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description......................................................................... 1

Product Highlights ........................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

AC Specifications.......................................................................... 4

Digital Specifications ................................................................... 5

Switching Specifications .............................................................. 6

Timing Diagram ........................................................................... 7

Absolute Maximum Ratings............................................................ 8

Thermal Resistance ...................................................................... 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 11

Equivalent Circuits......................................................................... 15

Theory of Operation ...................................................................... 17

Analog Input Considerations ................................................... 17

Clock Input Considerations...................................................... 19

Digital Outputs ........................................................................... 21

Serial Port Interface (SPI).............................................................. 29

Hardware Interface..................................................................... 29

Memory Map .................................................................................. 31

Reading the Memory Map Table.............................................. 31

Reserved Locations .................................................................... 31

Default Values............................................................................. 31

Logic Levels................................................................................. 31

Applications Information .............................................................. 35

Power and Ground Recommendations................................... 35

Exposed Paddle Thermal Heat Slug Recommendations ...... 35

Outline Dimensions....................................................................... 36

Ordering Guide .......................................................................... 36

REVISION HISTORY

7/13—Rev. A to Rev. B

Change to Current Drive Parameter, Table 1................................ 3

Updated Outline Dimensions ....................................................... 36

2/10—Rev. 0 to Rev. A

Changes to Differential Input Voltage Range Parameter,

Table 1 ................................................................................................ 3

Changes to Table 7............................................................................ 9

Changes to Digital Outputs and Timing Section ....................... 25

Change to Addr. (Hex) 0x01, Table 15......................................... 32

5/09—Revision 0: Initial Version